Historical
BS EN 131-4:2007
Ladders. Single or multiple hinge-joint ladders (British Standard)
This European Standard specifies the requirements, tests and marking of hinged combination ladders with one or several hinge joints. This European Standard is not applicable to hinge-joints of combination and standing ladders as defined by EN 131 1. This part of the standard is intended to be used in conjunction with EN 131 1 and EN 131 2.
Content Provider
British Standards Institution [bsi]